A wick is a water absorbing string or thin strip of fabric. An old rag, cut into a 1/2-1 inch spiral, can connect many VertiCans into a "Wick-ed VertiFlow"
A wick is a water absorbing string or thin strip of fabric. An old rag, cut into a 1/2-1 inch spiral, can connect many VertiCans into a "Wick-ed VertiFlow"